Reversible seat for chairs



(No Model.)

J. B. POPENHAGEN. REVERSIBLE SEAT EOE CHAIRS. No. 427,359. Patented'May 6, 1890,.

Nonms rusas co.. moro-um W/TNE SSE S NTTED STATES PATENT OFFICE.

- JOSEPH B. POPENHAGEN, OF CHICAGO, ILLINOIS.

REVERSIBLE SEAT FOR CHAIRS.

SPECIFICATION forming part of Letters Patent No. 427,359, dated May 6, 1890. l

AApplication filed November 9, 1889. Serial No. 329,787. (No model.)

T0 @ZZ whom, it may concern,.-

Be it known that I, JOSEPH B. POPENHAGEN, of Chicago, in the county of Cook and State of Illinois, have invented a new and Improved Reversible Seat for Chairs, of which the following is a full, clear, and exact description.

My invention relates to an improvement in reversible seats for chairs, especially for barbers chairs, and has for its object to provide a means whereby, through the medium of simple and durable mechanism, the seats maybe conveniently and expeditiously reversed, and also wherein the seat will be at all times thoroughly ventilated and rendered exceedingly cool.

The invention consists in the novel construction and combination of the several parts, as will be hereinafter fully set forth, Vand pointed out in the claims.

Reference is to be had to the accompanying drawings, forming a part of this speciiication, in which similar figures of reference indicate corresponding parts in all the views.

Figure 1 is a perspective view of a barbers chair, illustrating the application of my improvement. Fig. 2 is a vertical section through the seatframe and the contiguous portion of the chair-frame. Fig. 3 is an enlarged horizontal section through one portion of the chair-frame and the actuating-axle of the seat-frame and its connections. Figs. 4. and 5 are perspective detail views of, the actuating` mechanism, and Fig. 6 is a detail sectional View illustrating a portion of the Ventilating mechanism. Y

In carrying out the invention the frame 10 of the chair in which the seat 11 is located may be of any suitable or approved construction, being preferably, however, made in skeleton form and rectangular, as shown in Fig. 1. The seat-frame 12 is also preferably a skeleton rectangular frame, and the side pieces of the frame at or near the center are bored to receive a rectangular hollow offset 13, integral with one face of a plate 14., one of the said plates being secured to the inner side of each side bar of the seat-frame in such manner that the offsets 13 will extend through the bores therein to the outside of the frame, as best shown in Fig. 2. The bore of the offset 13 meets an aligning bore in the plate 14..

Through the offsets 13 of the plates 14 an axle 15 is passed, the ends of which axle extend beyond the sides of the seat-frame. The extremities of the axle are cylindrical, and the said axle at one or both extremities is provided upon its side faces With a longitudinal groove 16. The extreme outer ends of the axle are preferably squared, and upon the said squared ends, as shown in Fig. 3,aknob 17 or its equivalent is secured, the said knob being preferably provided With a hub 1S upon its inner face, of greater diameter than the diameter of the cylindrical section of the axle. The cylindrical sections of the axle at their junction with the rectangular portion are journaled in bearings 19, one bearing being` attached to each side piece of `the upper portion of the chair-frame, or that portion in which the seat-frame is fitted..` i

Over each cylindrical section of the axle 15 a sleeve 2O is slid, which sleeves are provided at their inner ends with an interior iiange 21 and feathers 22, the said feathers being diametrically opposite and made to extend beyond the inner periphery of the iiange 21 and the outer surface thereof, as best illustrated in Fig. 5. Each sleeve is also provided upon its outer surface at or near the outer end with Wings 23. When the sleeves have been placed in position upon the axle, the'inner ends of the feathers 22 enter the axle-grooves 16 and the outer ends of said feathers enter slots 24, produced in the bearings 19.

Around the axle 15 Within the sleeve and the hub 18 of the knob 17 a spring-25 is coiled, which spring has abearing at one end against the knob and at its other end against the flange 21 of the sleeve, as best shown in Fig. 3.

In practice it is necessary only that the spring and the sleeve be placed at one end of the axle l-for instance, at the right-hand end of said axle-in which event the sleeve and knob may be duplicated at the opposite end to all appearances. For instance, they may be cast or formed solid with the axle, as they are not necessary for the manipulation of the seat.

It will be observed that as'the axle is rigidly secured to the seat 11 by passing the rectangular portion thereof through the plates 14 the seat will be revolved also when the IOO axle is turned, and it will be further observed that the seat ll is upholstered the same, or practically so, upon both sides of it.

In operation the knob 17 is grasped by the hand and the Wings 23 of the sleeve by the fingers of the same hand, When, by pressure upon the wings, the sleeve is slid against the tension of the spring 25 in the direction of the knob, thereby disengaging the feathers of the sleeve from the recesses in the bearings 19. l/Vhen this is accomplished, by turning the knob the axle l5 is free to revolve a halfturn, thereby reversing the seat, and when the seat is reversed by releasing the sleeve 2O the spring 25 forces the said sleeve inward an d causes its feathers to lock into the recesses of the bearings 19.

In connection with the above improvements I provide a further improvement, which consists in projecting through or Within the seatframe a series of ventilatingtubes 26, whereby currents of air may be passed through the upholstering material of the seat, thus rendering the same cool at all times. f

Having thus described my invention, I claim as new and desire to secure by Letters Patentl. The combination, with a chair-frame, a seat-frame, and an axle secured to the said seat-frame, having its extremities journaled in the chair-frame, and provided at said extremities with longitudinal grooves, of springactuated sleeves held to slide upon the extremities of the axle, having feathers at their inner ends adapted to slide in the grooves of the axle and to enter recesses in the axlebearings, substantially as shown and described.

2. The combination, with a chair-frame and bearings secured to the said frame, having recesses in their inner ends, of a reversible seatframe, an axle secured to said seat-frame, having outwardly-projectin g cylindrical extremities provided with longitudinal grooves and journaled in said bearings, knobs attached to the extremities of the axle, a sleeve held to slide upon the axle,.provided withfeathers adapted to enter the grooves of the axle and the recesses in the axle-bearings, and a spring having a bearing against the knob and sleeve, substantially as shown and described.

3. 'The combination, with a chair-frame and journal-boxes secured to the said frame, having recesses in their inner ends, of a seatframe, an axle secured to the said seat-frame, the ends whereof are projected outward and .journaled in the said boxes, one of said ends being provided with longitudinal grooves, a sleeve held to slide upon one extremity of the axle, provided with feathers adapted to enter the grooves thereof and therecesses in the journal-boxes, and also provided with Wings at or nearits outer end, a knob secured to the outer end of the axle, and a spring having a bearing against the knob and the sleeve, substantially as and for the purpose specified.

JOSEPH B. POPENHAGEN.

Vitnesses:

CHAs. J. RUcER, HENRY I). SINDEN. 

